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Coruscating Mizu

#05dafa
Notes

Coruscating Mizu (#05DAFA) is a true cyan with a neon character. It sits at the high-saturation edge of its family. Use it sparingly, as signage, accent, or highlight against darker surfaces. Its HSL profile (188°, 96%, 50%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#05dafa
RGB
rgb(5, 218, 250)
HSL
hsl(188, 96%, 50%)
HWB
hwb(188 2% 2%)
OKLCH
oklch(81.6% 0.143 213.3)
HSV
hsv(188, 98%, 98%)
LAB
lab(80.22% -32.75 -27.99)
LCH
lch(80.22% 43.09 220.52)
CMYK
cmyk(98%, 13%, 0%, 2%)

Etymology

Coruscating
adjective

Latin coruscāns, flashing — present-participle of coruscāre. As a color modifier, coruscating implies a saturated-and-rapidly-flashing quality, the bright color of lightning-strike atmospheric-electrical-discharge against the night-sky. Sits at the bright-and-flashing end of the grid, parallel to flashing and flickering in usage.

Mizu
noun

The Japanese word for water — used as a color word for the saturated pale blue of fresh spring water and the mizu-iro of traditional kimono linings. Mizu spans the cyan-blue boundary in Japanese color vocabulary. The color refers to fresh spring water in a Kyoto stone basin: a soft, slightly cool pale blue with the optical clarity of cold mineral water.

Closest matches

The nearest named color in three reference sources, ranked by perceptual distance (ΔE76 in CIELAB). ΔE < 1 is imperceptible to most viewers; ΔE > 10 is clearly different. When two sources point to the same hex they’re merged into one tile; click any to open that color’s page.

Variations

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Harmonies

Accessibility

Color-vision simulation

How this color appears to viewers with the four major color-vision-deficiency types. Computed via the Machado (2009) physiologically-based model. If a tile matches the original, the color reads the same to that viewer.

#05dafa
Original
#c2d2fc
Protanopia
#a7befa
Deuteranopia
#00e6e4
Tritanopia
#afafaf
Achromatopsia
WCAG contrast

The color used as foreground text against pure white and pure black, with the contrast ratio and WCAG 2.1 grade. Aim for AA (4.5:1) for body text and AA Large (3:1) for 18 pt+ headlines; AAA (7:1) is the gold standard for long-form reading surfaces.

The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon White
1.69:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon Black
12.42:1

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